/**
  ******************************************************************************
  * File Name          : USART.c
  * Description        : This file provides code for the configuration
  *                      of the USART instances.
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2020 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "usart.h"
#include "user_device.h"
#include "gpio.h"


/* USART init function */

void MX_USART2_UART_Init(void)
{

    nvic_irq_enable(USART2_IRQn, 0, 0);
    rcu_periph_clock_enable(RCU_GPIOB);

    /* enable USART clock */
    rcu_periph_clock_enable(RCU_USART2);

    /* connect port to USARTx_Tx */
    gpio_af_set(GPIOB, GPIO_AF_7, GPIO_PIN_10);

    /* connect port to USARTx_Rx */
    gpio_af_set(GPIOB, GPIO_AF_7, GPIO_PIN_11);

    /* configure USART Tx as alternate function push-pull */
    gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_10);
    gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_10);

    /* configure USART Rx as alternate function push-pull */
    gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_11);
    gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_11);

    /* USART configure */
    usart_deinit(USART2);
    usart_baudrate_set(USART2, 115200U);
    usart_parity_config(USART2,USART_PM_NONE);
    usart_word_length_set(USART2,USART_WL_8BIT);
    usart_stop_bit_set(USART2,USART_STB_1BIT);
    usart_receive_config(USART2, USART_RECEIVE_ENABLE);
    usart_transmit_config(USART2, USART_TRANSMIT_ENABLE);
    usart_enable(USART2);

    /* enable USART TBE interrupt */
     usart_interrupt_enable(USART2, USART_INT_TBE);
     usart_interrupt_enable(USART2, USART_INT_RBNE);
}

void MX_USART1_UART_Init(void)
{

    nvic_irq_enable(USART1_IRQn, 0, 1);
    rcu_periph_clock_enable(RCU_GPIOB);

    /* enable USART clock */
    rcu_periph_clock_enable(RCU_USART1);

    /* connect port to USARTx_Tx */
    gpio_af_set(GPIOD, GPIO_AF_7, GPIO_PIN_5);

    /* connect port to USARTx_Rx */
    gpio_af_set(GPIOD, GPIO_AF_7, GPIO_PIN_6);

    /* configure USART Tx as alternate function push-pull */
    gpio_mode_set(GPIOD, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_5);
    gpio_output_options_set(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_5);

    /* configure USART Rx as alternate function push-pull */
    gpio_mode_set(GPIOD, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_6);
    gpio_output_options_set(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_6);

    /* USART configure */
    usart_deinit(USART1);
    usart_baudrate_set(USART1, 9600U);
    usart_parity_config(USART1,USART_PM_NONE);
    usart_word_length_set(USART1,USART_WL_8BIT);
    usart_stop_bit_set(USART1,USART_STB_1BIT);
    usart_receive_config(USART1, USART_RECEIVE_ENABLE);
    usart_transmit_config(USART1, USART_TRANSMIT_ENABLE);
    usart_enable(USART1);

    /* enable USART TBE interrupt */
     usart_interrupt_enable(USART1, USART_INT_TBE);
     usart_interrupt_enable(USART1, USART_INT_RBNE);
}

